By default CKAN allows to create group hierarchies using CKAN API, bet web UI does not support group hierarchies in any way.
There is ckanext-hierarchy plugin for organizations, and probably by slightly modifying code of this plugin it should be to make it work with groups too.
By default CKAN allows to create group hierarchies using CKAN API, bet web UI does not support group hierarchies in any way.
There is ckanext-hierarchy plugin for organizations, and probably by slightly modifying code of this plugin it should be to make it work with groups too.